Paper Title
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Authors: E.R. Mejía, J.D. Ospina, M.A. Márquez, A.L. Morales
Abstract:Chalcopyrite bioleaching process using Acidithiobacillus ferrooxidans and a mixed culture of Acidithiobacillus ferrooxidans and...
385
Authors: P. Oyarzun, V. Gautier, M. Reich, T. Vargas
Abstract:In the present work the occurrence of surface transformations triggered during chemical and biological leaching of chalcopyrite at 70 °C in...
389
Authors: D. Cautivo, J.C. Gentina
Abstract:Bioleaching of secondary sulfides is a technical and economical well established bioprocess. However in the case of bioleaching of primary...
393
Authors: Daniela G. Horta, Heloísa A. Acciari, Denise Bevilaqua, A.V. Benedetti, Oswaldo Garcia Jr.
Abstract:It is believed that the dissolution of chalcopyrite (CuFeS2) in acid medium can be accelerated by the addition of Cl- ions, which modify the...
397
Authors: Biao Wu, Jian Kang Wen, Gui Ying Zhou, Ren Man Ruan
Abstract:Based on the bioleaching mechanism and electrochemical studies of metal sulfides, the dissolution rate of secondary copper sulfides and...
401
Authors: Jochen Petersen, Sanet H. Minnaar, Chris A. du Plessis
Abstract:During large-scale column tests at BHP Billiton’s Johannesburg Technology Centre (JTC) during 2005/6 on a low-grade copper ore, the...
405
Authors: Wen Qing Qin, Yan Sheng Zhang, Shi Jie Zhen, Jun Wang, Jian Wen Zhang, Guan Zhou Qiu
Abstract:The effects of several variables on the column bioleaching of copper sulphide ore have been investigated. The copper ore contained...
409
Authors: Robert P. van Hille, L.V. Bromfield, S.S. Botha, Gavin Jones, A.W. van Zyl, Susan T.L. Harrison
Abstract:Heap bioleaching operations are often faced with extended and unpredictable lag periods after inoculation, prior to the establishment of a...
413
Authors: Wen Qing Qin, Jun Wang, Yan Sheng Zhang, Shi Jie Zhen, He Shang, Qian Liu, Hai Bin Shi, Jian Wen Zhang, Guan Zhou Qiu
Abstract:In this work, the monitoring of bacterial and chemical dissolution of massive bornite was performed using cyclic voltammetry (CV); the...
417
Authors: B. Escobar, L. Quiroz, T. Vargas
Abstract:The effect of two flotation reagents: isopropyl- and ethyl-xanthates and two solvent extraction reagents (SX): Lix 984 and Lix 860IC on the...
421
Showing 91 to 100 of 177 Paper Titles